Multiplication control for calculating machine



Oct. 26, 1965 H. JQCHALL ETAL MULTIPLICATION CONTROL FOR CALCULATING MACHINE Original Filed Nov. 27, 1961 25 Sheets-Sheet 1 Oct. 26', 1965 H. J. cHALl. ETAL 3,214,097

MULTIPLICATION CONTROL FOR yCLCULATING MACHINE OriginalFiled Nov. 27, l1961 23 Sheets-Sheet 2 Oct. 26, 1965 H. J. CHALL' ETAL f MULTIPLICATION CONTROL FOR CALCULATING MACHINE 23 Sheets-Sheet '3 Original Filed Nov. 27, 1961 Oct. 26, `1965 H. J. CHALL ETAL 3,214,097

MULTIPLICATION CONTROL FOR CALCULATING MACHINE OriginalFiled Nov. 27. 1961 25 Sheets-Sheet 4 Oct. 26, 1965 I HALL ETAL MULTIPLIGATION CONTROL FOR CALCULATING MACHINE Original' Filed Nov. 27. 1961 23 Sheets-Sheet 5 mm i,

Oct. 26, 1965 H. J. cHALl. ETAI.

MULTIPLICATION CONTROL FOR CALCULATING MACHINE 23 Sheets-Sheet 6 Original Filed Nov. 27. 1961 FII| E| PIE- El Oct. 26, 1965 H. J. cHALL ETAL MULTIPLICATION CONTROL FOR CALCULATING MACHINE 25 Sheets-Sheet '7 Original Filed Nov. 27. 1961 FIlE- lll FIE- l1 Oct. 26, 1965 H. J. cHALL ETAL MULTIPLICATION CONTROL FOR GALCULATING MACHINE 25 Sheets-Sheet v8 Original Filed Nov. 27. 1961 FIIE| 1E PIE-l2- Oct. 26, 1965 H. J. cHALL ETAL 3,214,097

MULTIPLICATION CONTROL FOR CALCULATING MACHINE Original Filed Nov. 27. 1961 25 Sheets-Sheet 9 Oct. 26, 1965 J. cHALL ETAL 3,214,097

MULTIPLICATION CONTROL FOR CALCULATING MACHINE Original Filed Nov. 27. 1961 25 Sheets-Sheet 10 PIE- 1? Oct. 26, 1965 H. J. cHALL ETAL MULTIPLICATION CONTROL FOR CALGULATING MACHINE .25 Sheets-Sheet 11 Original Filed Nov. 27, 1961 MULTIPLICATION CONTROL FOR CALCULATING MACHINE 23 Sheets-Sheet 12 Original Filed Nov. 27, 1961 mlm-IIW-H'HH Oct.A 26, y1965 H. J. cHALL ETAL MULTIPLICATION CONTROL FOR CALCULATING MACHINE original Filed Nov. 27, 1961 23 Sheets-Sheet 13 lmmf-M-Hhiw Od. 26, 1965 H. J. cHALL ETAL MULTIPLICATION CONTROL FOR CALGULATING MACHINE 23 Sheets-Sheet 14 Original Filed Nov. 27. 1961 .mmlIlW-HIH MULTIPLICATION CONTROL FOR CALGULATING MACHINE 23 Sheets-Sheet 15 Original Filed Nov. 27, 1961 mllHullW-HIIIH mmlIm-Hwhill Oct 26, 1955 H. J. cHALl. ETAL MULTIPLIGATION CONTROL FOR CALCULATING MACHINE Original Filed Nov. 27. 1961 23 Sheets-Sheet 16 .Hlm IIN-Hull! .Uuml-WINE MULTIPLICATION CONTROL FOR CALCULATING MACHINE 23 Sheets-Sheet 1-'7 Original Filed NOV. 27. 1961 mlmllUI-Hwlm-.l n-WnmlllW-HILH umnmlllHl-HWMH MULTIPLICATION CONTROL FOR CALCULATING MACHINE 23 Sheets-Sheet 18 Original Filed Nov. 27. 1961 mlmIlW-HIMHI mlm! mum-HIM!! mmllW-Huw lmlnmllVl-HHIMH Oct. 26, 1965 H. J. cHALL ETAL MULTIPLICATION CONTROL FOR CALGULATING MACHINE 23 Sheets-Sheet 19 Original Filed Nov. 27, 1961 Oct. 26, 1965 H. J. cHALl. ETAL MULTIPLICATION CONTROL FOR CALCULATING MACHINE Original Filed Nov. 27, 1961 25 sheets-sheet 2o 

1. IN COMBINATION IN A CALCULATING MACHINE, POWER MEANS FOR OPERATING SAID MACHINE IN CYCLES, AN ACCUMULATOR, MEANS FOR ENTERING DIGITATION THEREIN IN THE EARLY PART OF THE MACHINE CYCLE, A MULTIPLICATION- SETTING BAR IN SAID MACHINE HAVING A HOME POSITION AND MOVABLE THEREFROM TO AN OPERATIVE POSITION FOR INITIATING POWER OPERATION OF SAID MACHINE, MOOVABLE DRIVING MEANS HAVING A HOME POSITION AND SPRING-BIASED THEREFROM FOR DRIVING SAID BAR TO SAID OPERATIVE POSITION, A LATCH BIASED INTO ENGAGEMENT WITH SAID DRIVING MEANS FOR HOLDING IT IN ITS HOME POSITION FOR PREVENTING IT FROM SO DRIVING IT IN BAR, MEANS PROVIDING A LOST MOTION CONNECTION BETWEEN SAID BAR AND DDRIVING MEANS PERMITTING AN INITIAL SMALL MOTION OF SAID BAR OUT OF ITS HOME POSITION WHILE SAID DRIVING MEANS IS SO HELD IN ITS HOME POSITION BY SAID LATCH, AND MEANS PROVIDING A CONNECTION BETWEEN BETWEEN SAID BAR AND SAID LATCH BY WHICH SAID BAR IS EFFECTIVE IN SAID SMALL INITIAL MOTION THEREOF FOR OPERATING SAID LATCH FOR RELEASING SAID DRIVING MEANS FOR SO DRIVING SAID BAR. 